Sailing Knot Guidance

Both sailing and boating require a repertoire of reliable knots for various purposes. Rope used in marine environments is durable and often handles heavy loads when berthing, mooring, towing, or managing sails. This guide emphasizes knots that prioritize safety, reliability, convenience, and the ability to untie easily after bearing loads - better to know a knot and not need it, than need a knot and not know it.

2. Joining Two Ropes

These knots securely join two ropes, which is essential for extending lines or creating custom rigging. Each provides security while remaining relatively easy to untie even after bearing heavy loads.

Recommended Knots

Boating & Sailing Safety Information

Mooring Line Basics

  • Breast Lines prevent rotation and should run roughly at 90° to the dock
  • Spring Lines prevent fore and aft movement and should run nearly parallel to the dock
  • The Bow Spring and Stern Spring must lead in opposite directions
  • When sharing a bollard with another vessel, thread your line through the eye-splice of the first (Dipping the Loop)

Rope Selection for Marine Use

  • Large ships often use high-modulus polyethylene (HMPE) ropes that float and have minimal elasticity
  • Yachts typically use nylon or polyester ropes which provide more elasticity
  • Choose rope diameters appropriate for your vessel size and expected loads
  • Inspect ropes regularly for damage from UV exposure, chafing, or chemical contamination

Standing End, Tail, and Bitter End

  • The Standing End of a rope takes the strain
  • The Tail is the loose end in your hand
  • On large ships, the loose end is called the Bitter End when transferred to the Bitts
  • A second rope (Rat-Tailed Stopper or Rolling Hitch) can temporarily take strain when moving lines

Essential Safety Equipment

  • Life jackets for all passengers
  • Working radio or communication device
  • Navigation lights
  • First aid kit
  • Fire extinguisher
  • Sound-producing device
  • Proper line handling gloves to prevent rope burns

Knot Safety Warning

  • Any activity involving ropes is potentially hazardous. Lives may be at risk – possibly your own. Practice these knots regularly and always double-check knots before relying on them. Better to know a knot and not need it, than need a knot and not know it.